Increase to the provisions for legacy operations.

No definition available.

Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 410
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-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 410
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-Topic 420
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
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